On Mon, Dec 17, 2012 at 02:09:00PM +0200, Tomi Valkeinen wrote:
> Why does the static checker think OMAP_DSS_WB is needed in the array?
drivers/video/omap2/dss/dispc.c +3284
3274 #define DISPC_REG(plane, name, i) name(plane, i)
3275 #define DUMPREG(plane, name, i) \
3276 seq_printf(s, "%s_%d(%s)%*s %08x\n", #name, i, p_names[plane], \
3277 (int)(46 - strlen(#name) - strlen(p_names[plane])), " ", \
3278 dispc_read_reg(DISPC_REG(plane, name, i)))
3279
3280 /* Video pipeline coefficient registers */
3281
3282 /* start from OMAP_DSS_VIDEO1 */
3283 for (i = 1; i < dss_feat_get_num_ovls(); i++) {
3284 for (j = 0; j < 8; j++)
3285 DUMPREG(i, DISPC_OVL_FIR_COEF_H, j);
The logic here is that we pass i to DISPC_OVL_FIR_COEF_H() which
passes i to DISPC_FIR_COEF_H_OFFSET(). Anything higher than
OMAP_DSS_WB will trigger a BUG() in DISPC_FIR_COEF_H_OFFSET().
So it's not rock hard logic at all.
regards,
dan carpenter
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